Sexual dimorphism in fossil metazoa and taxonomic implications :  Symposium organized by the International Palaeontological Union, Committee on Evolution, Prague 1968 / 
edited by Gerd Ernst Gerold Westermann 
 - Stuttgart :  Schweizerbart (Nagale u. Obermiller),  1969 
 - iv, 250 p., [14] p. of plates ;  24 cm. 
 - International Union of Geological Sciences ; Series A,  no. 1 .
<br/><br/> English, French, or German 
<br/><br/>Includes bibliographies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sexual dimorphism (Animals)--Congresses<br/>Paleontology--Congresses
<br/><br/><label>Dewey Class. No.: </label>581.166